# Help: \\n in php

**URL:** <https://forum.kirupa.com/t/help-n-in-php/230131>\
**Category:** Uncategorized\
**Created:** [June 22, 2007, 9:23pm UTC](https://forum.kirupa.com/t/help-n-in-php/230131 "2007-06-22T21:23:06Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Utech22](https://avatars.discourse-cdn.com/v4/letter/u/f17d59/32.png) [@Utech22](https://forum.kirupa.com/u/Utech22)\
**Post date:** [June 22, 2007, 9:23pm UTC](https://forum.kirupa.com/t/help-n-in-php/230131/1 "2007-06-22T21:23:06Z")

</div>

I am using php 5.2.3 and I need some help to use

eg:

```php
 
<?php
 
$string = 'PHP & Information Security';
printf("Original string: %s
", $string);
printf("MD5 hash: %s
", md5($string));
printf("SHA-1 hash: %s
", sha1($string));
 
?>

```

[FONT=Garamond]php.ini configuration[/FONT]